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Results tagged with taylor-expansion
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user 4298
2
votes
Accepted
Taylor series expansion in mean shift tracking
For $y\approx y_0$ you have
$$\begin{align}\sqrt{p_m(y)q_m}&\approx\sqrt{p_m(y_0)q_m}+\frac{p_m(y)-p_m(y_0)}{2\sqrt{p_m(y_0)}}\sqrt{q_m}\\&=\frac12\sqrt{p_m(y_0)q_m}+\frac12 p_m(y)\sqrt{\frac{q_m}{p_m …
- 92.5k
1
vote
Accepted
taylor expansion of scale space function
The quantity $\frac{\partial D}{\partial \textbf{x}}$ is a vector, since it is the derivative of the scalar function $D(\textbf{x})$ w.r.t. all the elements of $\textbf{x}$. In the formula it is assum …
- 92.5k